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#include "napi.h"
#include "test_helper.h"
using namespace Napi;
class FuncRefObject : public Napi::ObjectWrap<FuncRefObject> {
public:
FuncRefObject(const Napi::CallbackInfo& info)
: Napi::ObjectWrap<FuncRefObject>(info) {
Napi::Env env = info.Env();
int argLen = info.Length();
if (argLen <= 0 || !info[0].IsNumber()) {
Napi::TypeError::New(env, "First param should be a number")
.ThrowAsJavaScriptException();
return;
}
Napi::Number value = info[0].As<Napi::Number>();
this->_value = value.Int32Value();
}
Napi::Value GetValue(const Napi::CallbackInfo& info) {
int value = this->_value;
return Napi::Number::New(info.Env(), value);
}
private:
int _value;
};
namespace {
Value ConstructRefFromExisitingRef(const CallbackInfo& info) {
HandleScope scope(info.Env());
FunctionReference ref;
FunctionReference movedRef;
ref.Reset(info[0].As<Function>());
movedRef = std::move(ref);
return MaybeUnwrap(movedRef({}));
}
Value CallWithVectorArgs(const CallbackInfo& info) {
HandleScope scope(info.Env());
std::vector<napi_value> newVec;
FunctionReference ref;
ref.Reset(info[0].As<Function>());
for (int i = 1; i < (int)info.Length(); i++) {
newVec.push_back(info[i]);
}
return MaybeUnwrap(ref.Call(newVec));
}
Value CallWithInitList(const CallbackInfo& info) {
HandleScope scope(info.Env());
FunctionReference ref;
ref.Reset(info[0].As<Function>());
return MaybeUnwrap(ref.Call({info[1], info[2], info[3]}));
}
Value CallWithRecvInitList(const CallbackInfo& info) {
HandleScope scope(info.Env());
FunctionReference ref;
ref.Reset(info[0].As<Function>());
return MaybeUnwrap(ref.Call(info[1], {info[2], info[3], info[4]}));
}
Value CallWithRecvVector(const CallbackInfo& info) {
HandleScope scope(info.Env());
FunctionReference ref;
std::vector<napi_value> newVec;
ref.Reset(info[0].As<Function>());
for (int i = 2; i < (int)info.Length(); i++) {
newVec.push_back(info[i]);
}
return MaybeUnwrap(ref.Call(info[1], newVec));
}
Value CallWithRecvArgc(const CallbackInfo& info) {
HandleScope scope(info.Env());
FunctionReference ref;
ref.Reset(info[0].As<Function>());
size_t argLength = info.Length() > 2 ? info.Length() - 2 : 0;
std::unique_ptr<napi_value[]> args{argLength > 0 ? new napi_value[argLength]
: nullptr};
for (size_t i = 0; i < argLength; ++i) {
args[i] = info[i + 2];
}
return MaybeUnwrap(ref.Call(info[1], argLength, args.get()));
}
Value MakeAsyncCallbackWithInitList(const Napi::CallbackInfo& info) {
Napi::FunctionReference ref;
ref.Reset(info[0].As<Function>());
Napi::AsyncContext context(info.Env(), "func_ref_resources", {});
return MaybeUnwrap(
ref.MakeCallback(Napi::Object::New(info.Env()), {}, context));
}
Value MakeAsyncCallbackWithVector(const Napi::CallbackInfo& info) {
Napi::FunctionReference ref;
ref.Reset(info[0].As<Function>());
std::vector<napi_value> newVec;
Napi::AsyncContext context(info.Env(), "func_ref_resources", {});
for (int i = 1; i < (int)info.Length(); i++) {
newVec.push_back(info[i]);
}
return MaybeUnwrap(
ref.MakeCallback(Napi::Object::New(info.Env()), newVec, context));
}
Value MakeAsyncCallbackWithArgv(const Napi::CallbackInfo& info) {
Napi::FunctionReference ref;
ref.Reset(info[0].As<Function>());
size_t argLength = info.Length() > 1 ? info.Length() - 1 : 0;
std::unique_ptr<napi_value[]> args{argLength > 0 ? new napi_value[argLength]
: nullptr};
for (size_t i = 0; i < argLength; ++i) {
args[i] = info[i + 1];
}
Napi::AsyncContext context(info.Env(), "func_ref_resources", {});
return MaybeUnwrap(ref.MakeCallback(Napi::Object::New(info.Env()),
argLength,
argLength > 0 ? args.get() : nullptr,
context));
}
Value CreateFunctionReferenceUsingNew(const Napi::CallbackInfo& info) {
Napi::Function func = ObjectWrap<FuncRefObject>::DefineClass(
info.Env(),
"MyObject",
{ObjectWrap<FuncRefObject>::InstanceMethod("getValue",
&FuncRefObject::GetValue)});
Napi::FunctionReference* constructor = new Napi::FunctionReference();
*constructor = Napi::Persistent(func);
return MaybeUnwrapOr(constructor->New({info[0].As<Number>()}), Object());
}
Value CreateFunctionReferenceUsingNewVec(const Napi::CallbackInfo& info) {
Napi::Function func = ObjectWrap<FuncRefObject>::DefineClass(
info.Env(),
"MyObject",
{ObjectWrap<FuncRefObject>::InstanceMethod("getValue",
&FuncRefObject::GetValue)});
Napi::FunctionReference* constructor = new Napi::FunctionReference();
*constructor = Napi::Persistent(func);
std::vector<napi_value> newVec;
newVec.push_back(info[0]);
return MaybeUnwrapOr(constructor->New(newVec), Object());
}
Value Call(const CallbackInfo& info) {
HandleScope scope(info.Env());
FunctionReference ref;
ref.Reset(info[0].As<Function>());
return MaybeUnwrapOr(ref.Call({}), Value());
}
Value Construct(const CallbackInfo& info) {
HandleScope scope(info.Env());
FunctionReference ref;
ref.Reset(info[0].As<Function>());
return MaybeUnwrapOr(ref.New({}), Object());
}
} // namespace
Object InitFunctionReference(Env env) {
Object exports = Object::New(env);
exports["CreateFuncRefWithNew"] =
Function::New(env, CreateFunctionReferenceUsingNew);
exports["CreateFuncRefWithNewVec"] =
Function::New(env, CreateFunctionReferenceUsingNewVec);
exports["CallWithRecvArgc"] = Function::New(env, CallWithRecvArgc);
exports["CallWithRecvVector"] = Function::New(env, CallWithRecvVector);
exports["CallWithRecvInitList"] = Function::New(env, CallWithRecvInitList);
exports["CallWithInitList"] = Function::New(env, CallWithInitList);
exports["CallWithVec"] = Function::New(env, CallWithVectorArgs);
exports["ConstructWithMove"] =
Function::New(env, ConstructRefFromExisitingRef);
exports["AsyncCallWithInitList"] =
Function::New(env, MakeAsyncCallbackWithInitList);
exports["AsyncCallWithVector"] =
Function::New(env, MakeAsyncCallbackWithVector);
exports["AsyncCallWithArgv"] = Function::New(env, MakeAsyncCallbackWithArgv);
exports["call"] = Function::New(env, Call);
exports["construct"] = Function::New(env, Construct);
return exports;
}
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